diff options
| author | John Linn <john.linn@xilinx.com> | 2009-03-11 09:36:20 -0600 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2009-03-11 09:36:20 -0600 |
| commit | 1df879e4bbf870d769a9330cb917ed517a1d980c (patch) | |
| tree | 87514eded3e316560b4eff84f88d4b9ca53cae97 /drivers/spi/xilinx_spi.c | |
| parent | e7eec2fc27d7dbefd5852c36b3fe6229e6302c99 (diff) | |
powerpc/virtex/spi: Xilinx SPI driver not releasing memory
The driver was not releasing memory when it was removed or
when there was a failure during probe. This fixes it.
Signed-off-by: John Linn <john.linn@xilinx.com>
Acked-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'drivers/spi/xilinx_spi.c')
| -rw-r--r-- | drivers/spi/xilinx_spi.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/spi/xilinx_spi.c b/drivers/spi/xilinx_spi.c index fe7e5f35e5d0..494d3f756e29 100644 --- a/drivers/spi/xilinx_spi.c +++ b/drivers/spi/xilinx_spi.c @@ -354,7 +354,7 @@ static int __init xilinx_spi_of_probe(struct of_device *ofdev, if (xspi->regs == NULL) { rc = -ENOMEM; dev_warn(&ofdev->dev, "ioremap failure\n"); - goto put_master; + goto release_mem; } xspi->irq = r_irq->start; @@ -365,7 +365,7 @@ static int __init xilinx_spi_of_probe(struct of_device *ofdev, prop = of_get_property(ofdev->node, "xlnx,num-ss-bits", &len); if (!prop || len < sizeof(*prop)) { dev_warn(&ofdev->dev, "no 'xlnx,num-ss-bits' property\n"); - goto put_master; + goto unmap_io; } master->num_chipselect = *prop; @@ -397,6 +397,8 @@ free_irq: free_irq(xspi->irq, xspi); unmap_io: iounmap(xspi->regs); +release_mem: + release_mem_region(r_mem->start, resource_size(r_mem)); put_master: spi_master_put(master); return rc; @@ -406,6 +408,7 @@ static int __devexit xilinx_spi_remove(struct of_device *ofdev) { struct xilinx_spi *xspi; struct spi_master *master; + struct resource r_mem; master = platform_get_drvdata(ofdev); xspi = spi_master_get_devdata(master); @@ -413,6 +416,8 @@ static int __devexit xilinx_spi_remove(struct of_device *ofdev) spi_bitbang_stop(&xspi->bitbang); free_irq(xspi->irq, xspi); iounmap(xspi->regs); + if (!of_address_to_resource(ofdev->node, 0, &r_mem)) + release_mem_region(r_mem.start, resource_size(&r_mem)); dev_set_drvdata(&ofdev->dev, 0); spi_master_put(xspi->bitbang.master); |